blob: 1f17c88610226d345252f83b5ac3388098281409 [file] [log] [blame]
/*
* Copyright (c) 2010 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "media/base/video_adapter.h"
#include <limits>
#include <memory>
#include <utility>
#include "absl/memory/memory.h"
#include "api/video/video_frame.h"
#include "media/base/fake_frame_source.h"
#include "rtc_base/time_utils.h"
#include "test/gtest.h"
namespace cricket {
namespace {
const int kWidth = 1280;
const int kHeight = 720;
const int kDefaultFps = 30;
} // namespace
class VideoAdapterTest : public ::testing::Test,
public ::testing::WithParamInterface<bool> {
public:
VideoAdapterTest()
: frame_source_(absl::make_unique<FakeFrameSource>(
kWidth,
kHeight,
VideoFormat::FpsToInterval(kDefaultFps) /
rtc::kNumNanosecsPerMicrosec)),
adapter_wrapper_(absl::make_unique<VideoAdapterWrapper>(&adapter_)),
use_new_format_request_(GetParam()) {}
protected:
// Wrap a VideoAdapter and collect stats.
class VideoAdapterWrapper {
public:
struct Stats {
int captured_frames = 0;
int dropped_frames = 0;
bool last_adapt_was_no_op = false;
int cropped_width = 0;
int cropped_height = 0;
int out_width = 0;
int out_height = 0;
};
explicit VideoAdapterWrapper(VideoAdapter* adapter)
: video_adapter_(adapter) {}
void AdaptFrame(const webrtc::VideoFrame& frame) {
const int in_width = frame.width();
const int in_height = frame.height();
int cropped_width;
int cropped_height;
int out_width;
int out_height;
if (video_adapter_->AdaptFrameResolution(
in_width, in_height,
frame.timestamp_us() * rtc::kNumNanosecsPerMicrosec,
&cropped_width, &cropped_height, &out_width, &out_height)) {
stats_.cropped_width = cropped_width;
stats_.cropped_height = cropped_height;
stats_.out_width = out_width;
stats_.out_height = out_height;
stats_.last_adapt_was_no_op =
(in_width == cropped_width && in_height == cropped_height &&
in_width == out_width && in_height == out_height);
} else {
++stats_.dropped_frames;
}
++stats_.captured_frames;
}
Stats GetStats() const { return stats_; }
private:
VideoAdapter* video_adapter_;
Stats stats_;
};
void VerifyAdaptedResolution(const VideoAdapterWrapper::Stats& stats,
int cropped_width,
int cropped_height,
int out_width,
int out_height) {
EXPECT_EQ(cropped_width, stats.cropped_width);
EXPECT_EQ(cropped_height, stats.cropped_height);
EXPECT_EQ(out_width, stats.out_width);
EXPECT_EQ(out_height, stats.out_height);
}
void OnOutputFormatRequest(int width,
int height,
const absl::optional<int>& fps) {
if (use_new_format_request_) {
absl::optional<std::pair<int, int>> target_aspect_ratio =
std::make_pair(width, height);
absl::optional<int> max_pixel_count = width * height;
absl::optional<int> max_fps = fps;
adapter_.OnOutputFormatRequest(target_aspect_ratio, max_pixel_count,
max_fps);
return;
}
adapter_.OnOutputFormatRequest(
VideoFormat(width, height, fps ? VideoFormat::FpsToInterval(*fps) : 0,
cricket::FOURCC_I420));
}
const std::unique_ptr<FakeFrameSource> frame_source_;
VideoAdapter adapter_;
int cropped_width_;
int cropped_height_;
int out_width_;
int out_height_;
const std::unique_ptr<VideoAdapterWrapper> adapter_wrapper_;
const bool use_new_format_request_;
};
INSTANTIATE_TEST_SUITE_P(OnOutputFormatRequests,
VideoAdapterTest,
::testing::Values(true, false));
// Do not adapt the frame rate or the resolution. Expect no frame drop, no
// cropping, and no resolution change.
TEST_P(VideoAdapterTest, AdaptNothing) {
for (int i = 0; i < 10; ++i)
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
// Verify no frame drop and no resolution change.
VideoAdapterWrapper::Stats stats = adapter_wrapper_->GetStats();
EXPECT_GE(stats.captured_frames, 10);
EXPECT_EQ(0, stats.dropped_frames);
VerifyAdaptedResolution(stats, kWidth, kHeight, kWidth, kHeight);
EXPECT_TRUE(stats.last_adapt_was_no_op);
}
TEST_P(VideoAdapterTest, AdaptZeroInterval) {
OnOutputFormatRequest(kWidth, kHeight, absl::nullopt);
for (int i = 0; i < 40; ++i)
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
// Verify no crash and that frames aren't dropped.
VideoAdapterWrapper::Stats stats = adapter_wrapper_->GetStats();
EXPECT_GE(stats.captured_frames, 40);
EXPECT_EQ(0, stats.dropped_frames);
VerifyAdaptedResolution(stats, kWidth, kHeight, kWidth, kHeight);
}
// Adapt the frame rate to be half of the capture rate at the beginning. Expect
// the number of dropped frames to be half of the number the captured frames.
TEST_P(VideoAdapterTest, AdaptFramerateToHalf) {
OnOutputFormatRequest(kWidth, kHeight, kDefaultFps / 2);
// Capture 10 frames and verify that every other frame is dropped. The first
// frame should not be dropped.
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 1);
EXPECT_EQ(0, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 2);
EXPECT_EQ(1, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 3);
EXPECT_EQ(1, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 4);
EXPECT_EQ(2, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 5);
EXPECT_EQ(2, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 6);
EXPECT_EQ(3, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 7);
EXPECT_EQ(3, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 8);
EXPECT_EQ(4, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 9);
EXPECT_EQ(4, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 10);
EXPECT_EQ(5, adapter_wrapper_->GetStats().dropped_frames);
}
// Adapt the frame rate to be two thirds of the capture rate at the beginning.
// Expect the number of dropped frames to be one thirds of the number the
// captured frames.
TEST_P(VideoAdapterTest, AdaptFramerateToTwoThirds) {
OnOutputFormatRequest(kWidth, kHeight, kDefaultFps * 2 / 3);
// Capture 10 frames and verify that every third frame is dropped. The first
// frame should not be dropped.
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 1);
EXPECT_EQ(0, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 2);
EXPECT_EQ(0, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 3);
EXPECT_EQ(1, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 4);
EXPECT_EQ(1, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 5);
EXPECT_EQ(1, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 6);
EXPECT_EQ(2, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 7);
EXPECT_EQ(2, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 8);
EXPECT_EQ(2, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 9);
EXPECT_EQ(3, adapter_wrapper_->GetStats().dropped_frames);
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, 10);
EXPECT_EQ(3, adapter_wrapper_->GetStats().dropped_frames);
}
// Request frame rate twice as high as captured frame rate. Expect no frame
// drop.
TEST_P(VideoAdapterTest, AdaptFramerateHighLimit) {
OnOutputFormatRequest(kWidth, kHeight, kDefaultFps * 2);
for (int i = 0; i < 10; ++i)
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
// Verify no frame drop.
EXPECT_EQ(0, adapter_wrapper_->GetStats().dropped_frames);
}
// Adapt the frame rate to be half of the capture rate. No resolution limit set.
// Expect the number of dropped frames to be half of the number the captured
// frames.
TEST_P(VideoAdapterTest, AdaptFramerateToHalfWithNoPixelLimit) {
adapter_.OnOutputFormatRequest(absl::nullopt, absl::nullopt, kDefaultFps / 2);
// Capture 10 frames and verify that every other frame is dropped. The first
// frame should not be dropped.
int expected_dropped_frames = 0;
for (int i = 0; i < 10; ++i) {
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
EXPECT_GE(adapter_wrapper_->GetStats().captured_frames, i + 1);
if (i % 2 == 1)
++expected_dropped_frames;
EXPECT_EQ(expected_dropped_frames,
adapter_wrapper_->GetStats().dropped_frames);
VerifyAdaptedResolution(adapter_wrapper_->GetStats(), kWidth, kHeight,
kWidth, kHeight);
}
}
// After the first timestamp, add a big offset to the timestamps. Expect that
// the adapter is conservative and resets to the new offset and does not drop
// any frame.
TEST_P(VideoAdapterTest, AdaptFramerateTimestampOffset) {
const int64_t capture_interval = VideoFormat::FpsToInterval(kDefaultFps);
OnOutputFormatRequest(640, 480, kDefaultFps);
const int64_t first_timestamp = 0;
adapter_.AdaptFrameResolution(640, 480, first_timestamp, &cropped_width_,
&cropped_height_, &out_width_, &out_height_);
EXPECT_GT(out_width_, 0);
EXPECT_GT(out_height_, 0);
const int64_t big_offset = -987654321LL * 1000;
const int64_t second_timestamp = big_offset;
adapter_.AdaptFrameResolution(640, 480, second_timestamp, &cropped_width_,
&cropped_height_, &out_width_, &out_height_);
EXPECT_GT(out_width_, 0);
EXPECT_GT(out_height_, 0);
const int64_t third_timestamp = big_offset + capture_interval;
adapter_.AdaptFrameResolution(640, 480, third_timestamp, &cropped_width_,
&cropped_height_, &out_width_, &out_height_);
EXPECT_GT(out_width_, 0);
EXPECT_GT(out_height_, 0);
}
// Request 30 fps and send 30 fps with jitter. Expect that no frame is dropped.
TEST_P(VideoAdapterTest, AdaptFramerateTimestampJitter) {
const int64_t capture_interval = VideoFormat::FpsToInterval(kDefaultFps);
OnOutputFormatRequest(640, 480, kDefaultFps);
adapter_.AdaptFrameResolution(640, 480, capture_interval * 0 / 10,
&cropped_width_, &cropped_height_, &out_width_,
&out_height_);
EXPECT_GT(out_width_, 0);
EXPECT_GT(out_height_, 0);
adapter_.AdaptFrameResolution(640, 480, capture_interval * 10 / 10 - 1,
&cropped_width_, &cropped_height_, &out_width_,
&out_height_);
EXPECT_GT(out_width_, 0);
EXPECT_GT(out_height_, 0);
adapter_.AdaptFrameResolution(640, 480, capture_interval * 25 / 10,
&cropped_width_, &cropped_height_, &out_width_,
&out_height_);
EXPECT_GT(out_width_, 0);
EXPECT_GT(out_height_, 0);
adapter_.AdaptFrameResolution(640, 480, capture_interval * 30 / 10,
&cropped_width_, &cropped_height_, &out_width_,
&out_height_);
EXPECT_GT(out_width_, 0);
EXPECT_GT(out_height_, 0);
adapter_.AdaptFrameResolution(640, 480, capture_interval * 35 / 10,
&cropped_width_, &cropped_height_, &out_width_,
&out_height_);
EXPECT_GT(out_width_, 0);
EXPECT_GT(out_height_, 0);
adapter_.AdaptFrameResolution(640, 480, capture_interval * 50 / 10,
&cropped_width_, &cropped_height_, &out_width_,
&out_height_);
EXPECT_GT(out_width_, 0);
EXPECT_GT(out_height_, 0);
}
// Adapt the frame rate to be half of the capture rate after capturing no less
// than 10 frames. Expect no frame dropped before adaptation and frame dropped
// after adaptation.
TEST_P(VideoAdapterTest, AdaptFramerateOntheFly) {
OnOutputFormatRequest(kWidth, kHeight, kDefaultFps);
for (int i = 0; i < 10; ++i)
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
// Verify no frame drop before adaptation.
EXPECT_EQ(0, adapter_wrapper_->GetStats().dropped_frames);
// Adapt the frame rate.
OnOutputFormatRequest(kWidth, kHeight, kDefaultFps / 2);
for (int i = 0; i < 20; ++i)
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
// Verify frame drop after adaptation.
EXPECT_GT(adapter_wrapper_->GetStats().dropped_frames, 0);
}
// Do not adapt the frame rate or the resolution. Expect no frame drop, no
// cropping, and no resolution change.
TEST_P(VideoAdapterTest, AdaptFramerateRequestMax) {
adapter_.OnResolutionFramerateRequest(absl::nullopt,
std::numeric_limits<int>::max(),
std::numeric_limits<int>::max());
for (int i = 0; i < 10; ++i)
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
// Verify no frame drop and no resolution change.
VideoAdapterWrapper::Stats stats = adapter_wrapper_->GetStats();
EXPECT_GE(stats.captured_frames, 10);
EXPECT_EQ(0, stats.dropped_frames);
VerifyAdaptedResolution(stats, kWidth, kHeight, kWidth, kHeight);
EXPECT_TRUE(stats.last_adapt_was_no_op);
}
TEST_P(VideoAdapterTest, AdaptFramerateRequestZero) {
adapter_.OnResolutionFramerateRequest(absl::nullopt,
std::numeric_limits<int>::max(), 0);
for (int i = 0; i < 10; ++i)
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
// Verify no crash and that frames aren't dropped.
VideoAdapterWrapper::Stats stats = adapter_wrapper_->GetStats();
EXPECT_GE(stats.captured_frames, 10);
EXPECT_EQ(10, stats.dropped_frames);
}
// Adapt the frame rate to be half of the capture rate at the beginning. Expect
// the number of dropped frames to be half of the number the captured frames.
TEST_P(VideoAdapterTest, AdaptFramerateRequestHalf) {
adapter_.OnResolutionFramerateRequest(
absl::nullopt, std::numeric_limits<int>::max(), kDefaultFps / 2);
for (int i = 0; i < 10; ++i)
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
// Verify no crash and that frames aren't dropped.
VideoAdapterWrapper::Stats stats = adapter_wrapper_->GetStats();
EXPECT_GE(stats.captured_frames, 10);
EXPECT_EQ(5, stats.dropped_frames);
VerifyAdaptedResolution(stats, kWidth, kHeight, kWidth, kHeight);
}
// Set a very high output pixel resolution. Expect no cropping or resolution
// change.
TEST_P(VideoAdapterTest, AdaptFrameResolutionHighLimit) {
OnOutputFormatRequest(kWidth * 10, kHeight * 10, kDefaultFps);
EXPECT_TRUE(adapter_.AdaptFrameResolution(kWidth, kHeight, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(kWidth, cropped_width_);
EXPECT_EQ(kHeight, cropped_height_);
EXPECT_EQ(kWidth, out_width_);
EXPECT_EQ(kHeight, out_height_);
}
// Adapt the frame resolution to be the same as capture resolution. Expect no
// cropping or resolution change.
TEST_P(VideoAdapterTest, AdaptFrameResolutionIdentical) {
OnOutputFormatRequest(kWidth, kHeight, kDefaultFps);
EXPECT_TRUE(adapter_.AdaptFrameResolution(kWidth, kHeight, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(kWidth, cropped_width_);
EXPECT_EQ(kHeight, cropped_height_);
EXPECT_EQ(kWidth, out_width_);
EXPECT_EQ(kHeight, out_height_);
}
// Adapt the frame resolution to be a quarter of the capture resolution. Expect
// no cropping, but a resolution change.
TEST_P(VideoAdapterTest, AdaptFrameResolutionQuarter) {
OnOutputFormatRequest(kWidth / 2, kHeight / 2, kDefaultFps);
EXPECT_TRUE(adapter_.AdaptFrameResolution(kWidth, kHeight, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(kWidth, cropped_width_);
EXPECT_EQ(kHeight, cropped_height_);
EXPECT_EQ(kWidth / 2, out_width_);
EXPECT_EQ(kHeight / 2, out_height_);
}
// Adapt the pixel resolution to 0. Expect frame drop.
TEST_P(VideoAdapterTest, AdaptFrameResolutionDrop) {
OnOutputFormatRequest(kWidth * 0, kHeight * 0, kDefaultFps);
EXPECT_FALSE(adapter_.AdaptFrameResolution(kWidth, kHeight, 0,
&cropped_width_, &cropped_height_,
&out_width_, &out_height_));
}
// Adapt the frame resolution to be a quarter of the capture resolution at the
// beginning. Expect no cropping but a resolution change.
TEST_P(VideoAdapterTest, AdaptResolution) {
OnOutputFormatRequest(kWidth / 2, kHeight / 2, kDefaultFps);
for (int i = 0; i < 10; ++i)
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
// Verify no frame drop, no cropping, and resolution change.
VideoAdapterWrapper::Stats stats = adapter_wrapper_->GetStats();
EXPECT_EQ(0, stats.dropped_frames);
VerifyAdaptedResolution(stats, kWidth, kHeight, kWidth / 2, kHeight / 2);
}
// Adapt the frame resolution to be a quarter of the capture resolution after
// capturing no less than 10 frames. Expect no resolution change before
// adaptation and resolution change after adaptation.
TEST_P(VideoAdapterTest, AdaptResolutionOnTheFly) {
OnOutputFormatRequest(kWidth, kHeight, kDefaultFps);
for (int i = 0; i < 10; ++i)
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
// Verify no resolution change before adaptation.
VerifyAdaptedResolution(adapter_wrapper_->GetStats(), kWidth, kHeight, kWidth,
kHeight);
// Adapt the frame resolution.
OnOutputFormatRequest(kWidth / 2, kHeight / 2, kDefaultFps);
for (int i = 0; i < 10; ++i)
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
// Verify resolution change after adaptation.
VerifyAdaptedResolution(adapter_wrapper_->GetStats(), kWidth, kHeight,
kWidth / 2, kHeight / 2);
}
// Drop all frames for resolution 0x0.
TEST_P(VideoAdapterTest, DropAllFrames) {
OnOutputFormatRequest(kWidth * 0, kHeight * 0, kDefaultFps);
for (int i = 0; i < 10; ++i)
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
// Verify all frames are dropped.
VideoAdapterWrapper::Stats stats = adapter_wrapper_->GetStats();
EXPECT_GE(stats.captured_frames, 10);
EXPECT_EQ(stats.captured_frames, stats.dropped_frames);
}
TEST_P(VideoAdapterTest, TestOnOutputFormatRequest) {
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 400, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(400, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(400, out_height_);
// Format request 640x400.
OnOutputFormatRequest(640, 400, absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 400, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(400, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(400, out_height_);
// Request 1280x720, higher than input, but aspect 16:9. Expect cropping but
// no scaling.
OnOutputFormatRequest(1280, 720, absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 400, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(360, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
// Request 0x0.
OnOutputFormatRequest(0, 0, absl::nullopt);
EXPECT_FALSE(adapter_.AdaptFrameResolution(640, 400, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
// Request 320x200. Expect scaling, but no cropping.
OnOutputFormatRequest(320, 200, absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 400, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(400, cropped_height_);
EXPECT_EQ(320, out_width_);
EXPECT_EQ(200, out_height_);
// Request resolution close to 2/3 scale. Expect adapt down. Scaling to 2/3
// is not optimized and not allowed, therefore 1/2 scaling will be used
// instead.
OnOutputFormatRequest(424, 265, absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 400, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(400, cropped_height_);
EXPECT_EQ(320, out_width_);
EXPECT_EQ(200, out_height_);
// Request resolution of 3 / 8. Expect adapt down.
OnOutputFormatRequest(640 * 3 / 8, 400 * 3 / 8, absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 400, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(400, cropped_height_);
EXPECT_EQ(640 * 3 / 8, out_width_);
EXPECT_EQ(400 * 3 / 8, out_height_);
// Switch back up. Expect adapt.
OnOutputFormatRequest(320, 200, absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 400, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(400, cropped_height_);
EXPECT_EQ(320, out_width_);
EXPECT_EQ(200, out_height_);
// Format request 480x300.
OnOutputFormatRequest(480, 300, absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 400, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(400, cropped_height_);
EXPECT_EQ(480, out_width_);
EXPECT_EQ(300, out_height_);
}
TEST_P(VideoAdapterTest, TestViewRequestPlusCameraSwitch) {
// Start at HD.
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(1280, out_width_);
EXPECT_EQ(720, out_height_);
// Format request for VGA.
OnOutputFormatRequest(640, 360, absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
// Now, the camera reopens at VGA.
// Both the frame and the output format should be 640x360.
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 360, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(360, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
// And another view request comes in for 640x360, which should have no
// real impact.
OnOutputFormatRequest(640, 360, absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 360, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(360, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
}
TEST_P(VideoAdapterTest, TestVgaWidth) {
// Reqeuested Output format is 640x360.
OnOutputFormatRequest(640, 360, absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 480, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
// Expect cropping.
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(360, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
// But if frames come in at 640x360, we shouldn't adapt them down.
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 360, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(360, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 480, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(360, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
}
TEST_P(VideoAdapterTest, TestOnResolutionRequestInSmallSteps) {
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(1280, out_width_);
EXPECT_EQ(720, out_height_);
// Adapt down one step.
adapter_.OnResolutionFramerateRequest(absl::nullopt, 1280 * 720 - 1,
std::numeric_limits<int>::max());
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(960, out_width_);
EXPECT_EQ(540, out_height_);
// Adapt down one step more.
adapter_.OnResolutionFramerateRequest(absl::nullopt, 960 * 540 - 1,
std::numeric_limits<int>::max());
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
// Adapt down one step more.
adapter_.OnResolutionFramerateRequest(absl::nullopt, 640 * 360 - 1,
std::numeric_limits<int>::max());
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(480, out_width_);
EXPECT_EQ(270, out_height_);
// Adapt up one step.
adapter_.OnResolutionFramerateRequest(640 * 360, 960 * 540,
std::numeric_limits<int>::max());
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
// Adapt up one step more.
adapter_.OnResolutionFramerateRequest(960 * 540, 1280 * 720,
std::numeric_limits<int>::max());
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(960, out_width_);
EXPECT_EQ(540, out_height_);
// Adapt up one step more.
adapter_.OnResolutionFramerateRequest(1280 * 720, 1920 * 1080,
std::numeric_limits<int>::max());
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(1280, out_width_);
EXPECT_EQ(720, out_height_);
}
TEST_P(VideoAdapterTest, TestOnResolutionRequestMaxZero) {
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(1280, out_width_);
EXPECT_EQ(720, out_height_);
adapter_.OnResolutionFramerateRequest(absl::nullopt, 0,
std::numeric_limits<int>::max());
EXPECT_FALSE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
}
TEST_P(VideoAdapterTest, TestOnResolutionRequestInLargeSteps) {
// Large step down.
adapter_.OnResolutionFramerateRequest(absl::nullopt, 640 * 360 - 1,
std::numeric_limits<int>::max());
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(480, out_width_);
EXPECT_EQ(270, out_height_);
// Large step up.
adapter_.OnResolutionFramerateRequest(1280 * 720, 1920 * 1080,
std::numeric_limits<int>::max());
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(1280, out_width_);
EXPECT_EQ(720, out_height_);
}
TEST_P(VideoAdapterTest, TestOnOutputFormatRequestCapsMaxResolution) {
adapter_.OnResolutionFramerateRequest(absl::nullopt, 640 * 360 - 1,
std::numeric_limits<int>::max());
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(480, out_width_);
EXPECT_EQ(270, out_height_);
OnOutputFormatRequest(640, 360, absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(480, out_width_);
EXPECT_EQ(270, out_height_);
adapter_.OnResolutionFramerateRequest(absl::nullopt, 960 * 720,
std::numeric_limits<int>::max());
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
}
TEST_P(VideoAdapterTest, TestOnResolutionRequestReset) {
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(1280, out_width_);
EXPECT_EQ(720, out_height_);
adapter_.OnResolutionFramerateRequest(absl::nullopt, 640 * 360 - 1,
std::numeric_limits<int>::max());
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(480, out_width_);
EXPECT_EQ(270, out_height_);
adapter_.OnResolutionFramerateRequest(absl::nullopt,
std::numeric_limits<int>::max(),
std::numeric_limits<int>::max());
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(1280, out_width_);
EXPECT_EQ(720, out_height_);
}
TEST_P(VideoAdapterTest, TestOnOutputFormatRequestResolutionReset) {
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(1280, out_width_);
EXPECT_EQ(720, out_height_);
adapter_.OnOutputFormatRequest(absl::nullopt, 640 * 360 - 1, absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(480, out_width_);
EXPECT_EQ(270, out_height_);
adapter_.OnOutputFormatRequest(absl::nullopt, absl::nullopt, absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(1280, 720, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(1280, cropped_width_);
EXPECT_EQ(720, cropped_height_);
EXPECT_EQ(1280, out_width_);
EXPECT_EQ(720, out_height_);
}
TEST_P(VideoAdapterTest, TestOnOutputFormatRequestFpsReset) {
OnOutputFormatRequest(kWidth, kHeight, kDefaultFps / 2);
for (int i = 0; i < 10; ++i)
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
// Verify frame drop.
const int dropped_frames = adapter_wrapper_->GetStats().dropped_frames;
EXPECT_GT(dropped_frames, 0);
// Reset frame rate.
OnOutputFormatRequest(kWidth, kHeight, absl::nullopt);
for (int i = 0; i < 20; ++i)
adapter_wrapper_->AdaptFrame(frame_source_->GetFrame());
// Verify no frame drop after reset.
EXPECT_EQ(dropped_frames, adapter_wrapper_->GetStats().dropped_frames);
}
TEST_P(VideoAdapterTest, RequestAspectRatio) {
// Request aspect ratio 320/180 (16:9), smaller than input, but no resolution
// limit. Expect cropping but no scaling.
adapter_.OnOutputFormatRequest(std::make_pair(320, 180), absl::nullopt,
absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 400, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(360, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
}
TEST_P(VideoAdapterTest, RequestAspectRatioWithDifferentOrientation) {
// Request 720x1280, higher than input, but aspect 16:9. Orientation should
// not matter, expect cropping but no scaling.
OnOutputFormatRequest(720, 1280, absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 400, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(360, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
}
TEST_P(VideoAdapterTest, InvalidAspectRatioIgnored) {
// Request aspect ratio 320/0. Expect no cropping.
adapter_.OnOutputFormatRequest(std::make_pair(320, 0), absl::nullopt,
absl::nullopt);
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 400, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(400, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(400, out_height_);
}
TEST_P(VideoAdapterTest, TestCroppingWithResolutionRequest) {
// Ask for 640x360 (16:9 aspect).
OnOutputFormatRequest(640, 360, absl::nullopt);
// Send 640x480 (4:3 aspect).
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 480, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
// Expect cropping to 16:9 format and no scaling.
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(360, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
// Adapt down one step.
adapter_.OnResolutionFramerateRequest(absl::nullopt, 640 * 360 - 1,
std::numeric_limits<int>::max());
// Expect cropping to 16:9 format and 3/4 scaling.
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 480, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(360, cropped_height_);
EXPECT_EQ(480, out_width_);
EXPECT_EQ(270, out_height_);
// Adapt down one step more.
adapter_.OnResolutionFramerateRequest(absl::nullopt, 480 * 270 - 1,
std::numeric_limits<int>::max());
// Expect cropping to 16:9 format and 1/2 scaling.
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 480, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(360, cropped_height_);
EXPECT_EQ(320, out_width_);
EXPECT_EQ(180, out_height_);
// Adapt up one step.
adapter_.OnResolutionFramerateRequest(480 * 270, 640 * 360,
std::numeric_limits<int>::max());
// Expect cropping to 16:9 format and 3/4 scaling.
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 480, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(360, cropped_height_);
EXPECT_EQ(480, out_width_);
EXPECT_EQ(270, out_height_);
// Adapt up one step more.
adapter_.OnResolutionFramerateRequest(640 * 360, 960 * 540,
std::numeric_limits<int>::max());
// Expect cropping to 16:9 format and no scaling.
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 480, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(360, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
// Try to adapt up one step more.
adapter_.OnResolutionFramerateRequest(960 * 540, 1280 * 720,
std::numeric_limits<int>::max());
// Expect cropping to 16:9 format and no scaling.
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 480, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(360, cropped_height_);
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
}
TEST_P(VideoAdapterTest, TestCroppingOddResolution) {
// Ask for 640x360 (16:9 aspect), with 3/16 scaling.
OnOutputFormatRequest(640, 360, absl::nullopt);
adapter_.OnResolutionFramerateRequest(absl::nullopt,
640 * 360 * 3 / 16 * 3 / 16,
std::numeric_limits<int>::max());
// Send 640x480 (4:3 aspect).
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 480, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
// Instead of getting the exact aspect ratio with cropped resolution 640x360,
// the resolution should be adjusted to get a perfect scale factor instead.
EXPECT_EQ(640, cropped_width_);
EXPECT_EQ(368, cropped_height_);
EXPECT_EQ(120, out_width_);
EXPECT_EQ(69, out_height_);
}
TEST_P(VideoAdapterTest, TestAdaptToVerySmallResolution) {
// Ask for 1920x1080 (16:9 aspect), with 1/16 scaling.
const int w = 1920;
const int h = 1080;
OnOutputFormatRequest(w, h, absl::nullopt);
adapter_.OnResolutionFramerateRequest(absl::nullopt, w * h * 1 / 16 * 1 / 16,
std::numeric_limits<int>::max());
// Send 1920x1080 (16:9 aspect).
EXPECT_TRUE(adapter_.AdaptFrameResolution(
w, h, 0, &cropped_width_, &cropped_height_, &out_width_, &out_height_));
// Instead of getting the exact aspect ratio with cropped resolution 1920x1080
// the resolution should be adjusted to get a perfect scale factor instead.
EXPECT_EQ(1920, cropped_width_);
EXPECT_EQ(1072, cropped_height_);
EXPECT_EQ(120, out_width_);
EXPECT_EQ(67, out_height_);
// Adapt back up one step to 3/32.
adapter_.OnResolutionFramerateRequest(w * h * 3 / 32 * 3 / 32,
w * h * 1 / 8 * 1 / 8,
std::numeric_limits<int>::max());
// Send 1920x1080 (16:9 aspect).
EXPECT_TRUE(adapter_.AdaptFrameResolution(
w, h, 0, &cropped_width_, &cropped_height_, &out_width_, &out_height_));
EXPECT_EQ(180, out_width_);
EXPECT_EQ(99, out_height_);
}
TEST_P(VideoAdapterTest, AdaptFrameResolutionDropWithResolutionRequest) {
OnOutputFormatRequest(0, 0, kDefaultFps);
EXPECT_FALSE(adapter_.AdaptFrameResolution(kWidth, kHeight, 0,
&cropped_width_, &cropped_height_,
&out_width_, &out_height_));
adapter_.OnResolutionFramerateRequest(960 * 540,
std::numeric_limits<int>::max(),
std::numeric_limits<int>::max());
// Still expect all frames to be dropped
EXPECT_FALSE(adapter_.AdaptFrameResolution(kWidth, kHeight, 0,
&cropped_width_, &cropped_height_,
&out_width_, &out_height_));
adapter_.OnResolutionFramerateRequest(absl::nullopt, 640 * 480 - 1,
std::numeric_limits<int>::max());
// Still expect all frames to be dropped
EXPECT_FALSE(adapter_.AdaptFrameResolution(kWidth, kHeight, 0,
&cropped_width_, &cropped_height_,
&out_width_, &out_height_));
}
// Test that we will adapt to max given a target pixel count close to max.
TEST_P(VideoAdapterTest, TestAdaptToMax) {
OnOutputFormatRequest(640, 360, kDefaultFps);
adapter_.OnResolutionFramerateRequest(640 * 360 - 1 /* target */,
std::numeric_limits<int>::max(),
std::numeric_limits<int>::max());
EXPECT_TRUE(adapter_.AdaptFrameResolution(640, 360, 0, &cropped_width_,
&cropped_height_, &out_width_,
&out_height_));
EXPECT_EQ(640, out_width_);
EXPECT_EQ(360, out_height_);
}
// Test adjusting to 16:9 in landscape, and 9:16 in portrait.
TEST(VideoAdapterTestMultipleOrientation, TestNormal) {
VideoAdapter video_adapter;
video_adapter.OnOutputFormatRequest(std::make_pair(640, 360), 640 * 360,
std::make_pair(360, 640), 360 * 640, 30);
int cropped_width;
int cropped_height;
int out_width;
int out_height;
EXPECT_TRUE(video_adapter.AdaptFrameResolution(
/* in_width= */ 640, /* in_height= */ 480, /* in_timestamp_ns= */ 0,
&cropped_width, &cropped_height, &out_width, &out_height));
EXPECT_EQ(640, cropped_width);
EXPECT_EQ(360, cropped_height);
EXPECT_EQ(640, out_width);
EXPECT_EQ(360, out_height);
EXPECT_TRUE(video_adapter.AdaptFrameResolution(
/* in_width= */ 480, /* in_height= */ 640,
/* in_timestamp_ns= */ rtc::kNumNanosecsPerSec / 30, &cropped_width,
&cropped_height, &out_width, &out_height));
EXPECT_EQ(360, cropped_width);
EXPECT_EQ(640, cropped_height);
EXPECT_EQ(360, out_width);
EXPECT_EQ(640, out_height);
}
// Force output to be 9:16, even for landscape input.
TEST(VideoAdapterTestMultipleOrientation, TestForcePortrait) {
VideoAdapter video_adapter;
video_adapter.OnOutputFormatRequest(std::make_pair(360, 640), 640 * 360,
std::make_pair(360, 640), 360 * 640, 30);
int cropped_width;
int cropped_height;
int out_width;
int out_height;
EXPECT_TRUE(video_adapter.AdaptFrameResolution(
/* in_width= */ 640, /* in_height= */ 480, /* in_timestamp_ns= */ 0,
&cropped_width, &cropped_height, &out_width, &out_height));
EXPECT_EQ(270, cropped_width);
EXPECT_EQ(480, cropped_height);
EXPECT_EQ(270, out_width);
EXPECT_EQ(480, out_height);
EXPECT_TRUE(video_adapter.AdaptFrameResolution(
/* in_width= */ 480, /* in_height= */ 640,
/* in_timestamp_ns= */ rtc::kNumNanosecsPerSec / 30, &cropped_width,
&cropped_height, &out_width, &out_height));
EXPECT_EQ(360, cropped_width);
EXPECT_EQ(640, cropped_height);
EXPECT_EQ(360, out_width);
EXPECT_EQ(640, out_height);
}
} // namespace cricket